body{
    padding: 0px;
    margin: 0px;
}
    canvas{
        position:fixed;/*设置定位*/
        top:0;
        left:0;
        z-index:-1;/*使画布基于最低层*/
        background:#0e1729;/*画布背景色*/
    }
    .title{
        font-weight: bold;
        font-size: 0.16rem;
        color: white;
        text-align: center;
        line-height: 75px;
    }
    .main{
        overflow: auto;
        padding: 30px 10px 10px 15px ;
        font-size: 16px;
        margin:auto;
        width: 80%;
        height: 400px;
        background-color: white;
        border-radius: 5px;
    }
    .span_1{
        padding-left: 15px;
        font-size: 0.14rem;
    }
    #key{
        font-size: 0.12rem;
        border: none;
        outline: none;
    }
    #ooo{
        font-size: 0.12rem;
        border: none;
        outline: none;
    }
    .btn_1{
        display: block;
        margin: 0 auto;
        width: 90%;
        background-color:black;
        outline: 0;
        font-size: 0.14rem;
        color: white;
        line-height: 35px;
        border-radius: 5px;
    }
    .data{
        width: 90%;
        background-color: white;
        margin:0 auto;
        padding-top: 30px;
    }

    .span_2{
        float: left;
        height: 30px;
        line-height: 27px;
    }
    .text_data{
        margin-top:5px;
        color: #a3a3a3;
        padding-top: 4px;
        padding-left: 15px;
        font-size: 0.14rem;
        word-break:normal;
        width:auto;
        display:block;
        white-space:pre-wrap;
        word-wrap : break-word ;
        overflow: hidden ;
    }
    .footer{
        position: fixed;
        bottom: 0px;
        height: 60px;
        width: 100%;
        background-color: white;
    }
    ul{
        display: block;
        height:50px;
        overflow: hidden;
    }
    li{
        display: inline-block;
        width: 45%;
        float: left;
        list-style-type: none;
        line-height: 40px;
        text-align: center;
    }
    img{
        font-size: 16px;
        display: inline-block;
        width: 20px;
        height: 20px;
    }
    .text{
        float: right;
        margin-top: 10px;
        border: 0px;
        width: 70%;
        color:#999999;
        height: 250px;
        outline: none;
        resize: none;
    }